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(11)

EP 3 768 252 A1

(12)

(43) Date of publication: 27.01.2021 Bulletin 2021/04 (21) Application number: 19714748.1 (22) Date of filing: 21.03.2019

(51) International Patent Classification (IPC):  A61K 31/19(2006.01) A61P 3/06(2006.01) A61P 25/00(2006.01) A61P 3/00(2006.01) A61P 35/00(2006.01) A61P 1/06(2006.01) A61K 35/742(2015.01) A61P 3/04(2006.01) A61P 29/02(2006.01) A61P 25/28(2006.01) A61P 37/00(2006.01) A61P 3/10(2006.01) (86) International application number: PCT/GB2019/050801 (87) International publication number: WO 2019/180441 (26.09.2019 Gazette 2019/39)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 21.03.2018 GB 201804548 (71) Applicant: Chain Biotechnology Limited Oxford, Oxfordshire OX2 9GG (GB)	(72) Inventors: BRADLEY, Benjamin Marlow, Buckinghamshire SL7 1EY (GB) GREEN, Edward Marlow, Buckinghamshire SL7 1EY (GB) HEEG, Daniela Marlow, Buckinghamshire SL7 1EY (GB) (74) Representative: Cooley (UK) LLP  Dashwood 69 Old Broad Street London EC2M 1QS London EC2M 1QS (GB)